MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c284ea5b1af36f5174841e6788d413fe26c71a4230b6da6efc6d93877041c69. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c284ea5b1af36f5174841e6788d413fe26c71a4230b6da6efc6d93877041c69
SHA3-384 hash: 03e4175bdb7616a9ccb05f8a4dc49a5a27a6fa0f4043e4cab3ebb8338ec1b895d75d55bee384929712919af76e0aab90
SHA1 hash: 0d76a86b53e8f1d984543cde573aeeb0356742cd
MD5 hash: dc84217b87f8a0d527d0722943bb611a
humanhash: montana-kitten-red-solar
File name:Order List Pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:3'488'276 bytes
First seen:2024-06-25 04:17:56 UTC
Last seen:2024-06-25 05:33:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288://eCP0sl+y7C9hOe6WPKTlwBrxerGC3JeR1+t6OG+:3j8sl+y7C9hfD9rxerVC1m6i
TLSH T11BF51200B29B0EABFC052071D9F836F936FCAE9336FA16AFDF448C2A584553D1554A72
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
360
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8c284ea5b1af36f5174841e6788d413fe26c71a4230b6da6efc6d93877041c69.exe
Verdict:
No threats detected
Analysis date:
2024-06-25 04:20:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6003cb54-ac32-43e0-90f6-2955c0e98eed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.RATX-gen.3465.23233.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667a44fc8bee61523c5d2092win10vpnfull_triage
Tags:
Encryption Generic Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
Searching for the window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Enabling autorun
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8c284ea5b1af36f5174841e6788d413fe26c71a4230b6da6efc6d93877041c69
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6ded2dcd-6636-4157-af34-e1546ffb898f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1462122
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses regedit.exe to modify the Windows registry
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8c284ea5b1af36f5174841e6788d413fe26c71a4230b6da6efc6d93877041c69
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c284ea5b1af36f5174841e6788d413fe26c71a4230b6da6efc6d93877041c69/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-06-25 00:14:29 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rque5jnrv43pkf2iihthrdkbh7rgy4neemfw3jxpy3mtq5yedruq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240625-ewyl8atcnl/
Behaviour
Runs regedit.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
8c284ea5b1af36f5174841e6788d413fe26c71a4230b6da6efc6d93877041c69
MD5 hash:
dc84217b87f8a0d527d0722943bb611a
SHA1 hash:
0d76a86b53e8f1d984543cde573aeeb0356742cd
Link:
https://www.unpac.me/results/4e175ec6-c966-42af-b512-8502ffcba723/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c284ea5b1af/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/8c284ea5b1af36f5174841e6788d413fe26c71a4230b6da6efc6d93877041c69

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 8c284ea5b1af36f5174841e6788d413fe26c71a4230b6da6efc6d93877041c69

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments